Pb = 88 cm
π = 22/7
Ditanya: r…?
Jawab: Pb = α/360 x 2πr
88 = 120/360 x 2 x 22/7 x r
88 = 1/3 x 44/7 x r
r = (88 x 3 x 7)/44
r = 42 cm
- Diketahui: Pb = 31,4
r = 100 cm
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Selasa, 21 Mei 2024 -
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Pb = 88 cm
π = 22/7
Ditanya: r…?
Jawab: Pb = α/360 x 2πr
88 = 120/360 x 2 x 22/7 x r
88 = 1/3 x 44/7 x r
r = (88 x 3 x 7)/44
r = 42 cm
- Diketahui: Pb = 31,4
r = 100 cm
Editor: Yulia Pramuninggar
Sumber: Buku Matematika Kelas 8 Semester 2
